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INTRODUCTION TO BOTANY. l6B
PSEUDOSPERMIC FRUITS.
Naked seeds, Fructus pseudospermi, Fructus carcerulares,
Semina nuda. Simple fruits, not opening of themselves
when ripe, co?itaini?ig only a single seed, or at most
lut Jew, and having the pericarp so exactly joined to the
seed) that the latter appears to have only its own covers.
Cariopsis.
Seed, Grain, Cerio, Cerium. F^-uit simple, dry, one"
seeded, with the pericarp strictly united to the proper covers
of the seed. Graminese. PL IS, fig. 1, 2 and 3.
Globular, Cariopsis glolulosa. Panicum Italicum.
Roundish, suhroiunda. Zea Mays, Holcus succulentus.
Oblong, ohlo7iga. Triticum,
Grooved, canaliculata. Hollowed out in a groove,
Triticum, Secale, Avena, Hordeum.
^ Beaked, rostrata. Having a kind of beak or point at
top, the remains of the style. Phleum pratense.
Two-beaked, hirostrata. Having two points or beaks at
top. Briza, Ehrharta panicea.
% Enveloped, induviata, glumelld tecta. Enveloped in a
persistent glumelle. Oryza sativa.
Naked, nuda. Zea Mays.
Akenium.
Seed, Achsena, Achenium, Akena, Acenium, Cypsela.
Fruit simple, one-seeded, usually dry, the pericarp more or
less intimately united with the proper covers of the seed, and
with the tube of the calyx. Compositse. PI. 13, fig. 4, 5, 6.
Egglike, Akenium ovoideum. Balliera.
Reverse egglike, ohovoideum. In form of an egg, the
small end being the basis. Hippophsestum vulgare, Ono-^
pordum vulgare, Polymnia.
Topshape, turUnatum. Galardia, Agriphyllum, Galinsaga
triloba.
Three-sided, trigonum. Baltimora.
Compressed, compressum. Flattened sideways. Careopsis^
Zinnia, Silphium, Bellis.
Bent, curvatum. Tragopogon pratense. Calendula.
Angular, angulatum. Sigesbeckia.
"Winged, alatum. Having a thin, broad edge. Achillea
millefolia, Ximenesia encelioides.